The Patient health questionnaire (PHQ-9) is an 9-item instrument for measuring the severity of depression. The Beck Anxiety Inventory (BAI) is a 21-item questionnaire which was developed to measure anxiety in psychiatric populations.
Harmony is an AI tool which uses Large Language Models to automatically match items from different questionnaires, even across different languages. You can try Harmony here: https://harmonydata.ac.uk/app. Harmony is also available as a Python and R package.
You may also be interested in Harmony Meta, our new discovery engine that helps you search through vast catalogues of study metadata to identify the variables you need for your research.
